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-rw-r--r--src/shader_recompiler/frontend/ir/opcodes.cpp15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/shader_recompiler/frontend/ir/opcodes.cpp b/src/shader_recompiler/frontend/ir/opcodes.cpp
index 7f04b647b..4207d548c 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.cpp
+++ b/src/shader_recompiler/frontend/ir/opcodes.cpp
@@ -57,6 +57,17 @@ constexpr std::array META_TABLE{
#undef OPCODE
};
+constexpr size_t CalculateNumArgsOf(Opcode op) {
+ const auto& arg_types{META_TABLE[static_cast<size_t>(op)].arg_types};
+ return std::distance(arg_types.begin(), std::ranges::find(arg_types, Type::Void));
+}
+
+constexpr std::array NUM_ARGS{
+#define OPCODE(name_token, type_token, ...) CalculateNumArgsOf(Opcode::name_token),
+#include "opcodes.inc"
+#undef OPCODE
+};
+
void ValidateOpcode(Opcode op) {
const size_t raw{static_cast<size_t>(op)};
if (raw >= META_TABLE.size()) {
@@ -72,9 +83,7 @@ Type TypeOf(Opcode op) {
size_t NumArgsOf(Opcode op) {
ValidateOpcode(op);
- const auto& arg_types{META_TABLE[static_cast<size_t>(op)].arg_types};
- const auto distance{std::distance(arg_types.begin(), std::ranges::find(arg_types, Type::Void))};
- return static_cast<size_t>(distance);
+ return NUM_ARGS[static_cast<size_t>(op)];
}
Type ArgTypeOf(Opcode op, size_t arg_index) {